There are
1,584 mi
from St Petersburg, FL to Vadnais Heights, MN
That's the driving distance. It would take 1 day 5 hours to go from St Petersburg, Florida to Vadnais Heights, Minnesota.
The flight distance (direct flight from St Petersburg, FL to Vadnais Heights, MN) is 1,325.02 mi.
1,584 mi = 2,549.24 kms